diff options
Diffstat (limited to 'kernel/src/boot/multiboot2.c')
| -rw-r--r-- | kernel/src/boot/multiboot2.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/kernel/src/boot/multiboot2.c b/kernel/src/boot/multiboot2.c index 8a7d0d6..1958ac1 100644 --- a/kernel/src/boot/multiboot2.c +++ b/kernel/src/boot/multiboot2.c @@ -8,8 +8,6 @@ #include <heap.h> #include <kernel_vma.h> -/* https://www.gnu.org/software/grub/manual/multiboot2/html_node/Boot-information-format.html */ - mb2_tag_module *ext2_module; mmap_t mmap; @@ -24,7 +22,7 @@ void init_fb(mb2_tag_fb *tag_fb) main_fb.char_col = WHITE; main_fb.bg_col = BLACK; - // identity map framebuffer address + /* identity map framebuffer address */ map_addr(main_fb.addr, main_fb.addr, FLAG_PRESENT | FLAG_WRITABLE); map_addr(main_fb.addr + PAGE_SIZE, main_fb.addr + PAGE_SIZE, FLAG_PRESENT | FLAG_WRITABLE); @@ -34,7 +32,7 @@ void init_mmap(mb2_tag_mmap *tag_mmap) { INIT_LIST(mmap.list) - // get data and store it into list + /* get data and store it into list */ for (size_t i = sizeof(mb2_tag_mmap); i < tag_mmap->size; i += sizeof(mb2_tag_mmap_entry)) { mmap_t *curr_mmap_entry = (mmap_t *)kalloc(sizeof(mmap_t)); @@ -46,7 +44,7 @@ void init_mmap(mb2_tag_mmap *tag_mmap) void init_module(mb2_tag_module *tag_module) { - // name is utf-8 encoded string! + /* name is utf-8 encoded string! */ uint32_t name_size = tag_module->size - sizeof(tag_module) + sizeof(char *); tag_module->name = (char *)kalloc(name_size); @@ -58,21 +56,21 @@ void init_module(mb2_tag_module *tag_module) void read_mb2(mb2_tag_header *multiboot_bootinfo, uint32_t multiboot_magic) { if (multiboot_magic != MB2_MAGIC) { - // not loaded by multiboot2 bootloader + /* not loaded by multiboot2 bootloader */ __asm__ __volatile__("hlt;"); } - // we will store framebuffer information here + /* we will store framebuffer information here */ static mb2_tag_fb *tag_fb; static mb2_tag_mmap *tag_mmap; - // skip first 8 bytes (total_size + reserved) + /* skip first 8 bytes (total_size + reserved) */ mb2_tag_header *tag_header = (mb2_tag_header *)((uint64_t)multiboot_bootinfo + 8 + KERNEL_VMA); while (tag_header->type != MB2_TAG_END) { - // process tag_type + /* process tag_type */ switch (tag_header->type) { case MB2_TAG_FB: tag_fb = (mb2_tag_fb *)tag_header; @@ -87,7 +85,7 @@ void read_mb2(mb2_tag_header *multiboot_bootinfo, uint32_t multiboot_magic) break; } - // next mb2_tag + /* next mb2_tag */ tag_header += tag_header->size / 8 + ((tag_header->size % 8) > 0); } |